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ABSTRACT: Objective
To explore the evidence available of poor-quality (counterfeit and substandard) medicines in the literature.Design
Systematic review.Data sources
Databases used were EMBASE, MEDLINE, PubMed and the International Pharmaceutical Abstracts, including articles published till January 2013.Eligibility criteria
Prevalence studies containing original data. WHO definitions (1992) used for counterfeit and substandard medicines.Study appraisal and synthesis
Two reviewers independently scored study methodology against recommendations from the MEDQUARG Checklist. Studies were classified according to the World Bank classification of countries by income.Data extraction
Data extracted: place of study; type of drugs sampled; sample size; percentage
SUBMITTER: Almuzaini T
PROVIDER: S-EPMC3752049 | biostudies-literature | 2013 Aug
REPOSITORIES: biostudies-literature